|Pteridophyte|| Literature for Pellaea ternifolia
Common name(s): kalamoho, kalamoho lau li`i, laukahi
|Distribution||Native to North America, Mexico, Central America, and several Pacific islands.In the Hawaiian Islands, indigenous to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.|
|Habitat||Exposed usually dry habitats|
||Terrestrial, small; rhizomes creeping, branching, scales stiff, with thick dark midrib and thin brown margins, roots dark brown to black, along entire rhizome length.
||Fronds 10-25 x 1.5-2.5 cm; stipes closely spaced, round at base to grooved distally, shiny, dark purplish brown, glabrous or with scattered, light fibrils at base; blade 1-pinnate, linear-lanceolate, coriaceous, rigid, glabrous; pinnae 4-16 pairs, mostly opposite, well separated, subsessile, 0.3-1.2 cm long, ternately cleft to the base into 3 almost equal narrow segments; ultimate segments linear, 1-2 mm wide, tips short-pointed, margins strongly revolute with edges in-rolled abaxially; veins obscure, simple or once forking.
||Sori marginal; false indusia formed by strongly revolute blade margins, closed until fully mature.
||Latin terni, in threes, + folium, leaf, alluding to the 3-part division of the pinnae.